package com.itheima.controller;


import com.itheima.dto.MessageConstant;
import com.itheima.dto.Result;
import com.itheima.service.MemberService;
import com.itheima.service.OrderService;
import com.itheima.service.ReportService;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.util.*;

/**
 * 报表操作
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Autowired
    private MemberService memberService;
    @Autowired
    private ReportService reportService;

    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> data = reportService.getBusinessReportData();
            return Result.success(data, MessageConstant.GET_BUSINESS_REPORT_SUCCESS);
        } catch (Exception e) {
            return Result.error(MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    //导出运营数据
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpSession session, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");


            //E:\webProject\gitee\heima_health_parent\heima_health_backend\src\main\resources\static\template


            //System.err.println(file.getPath());


            //C:\Users\Anshengyo\AppData\Local\Temp\tomcat-docbase.8081.159438843282832865\template\report_template.xlsx
            String filePath = session.getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";

            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            //XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
//            File file = ResourceUtils.getFile("classpath:static"
//                    + File.separator + "template" + File.separator + "report_template.xlsx");

            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream("/usr/local/app/static/template/report_template.xlsx"));

            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型 content-type  application/vnd.ms-excel
            // response.setHeader("Content-Type","application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载 强制下载！！
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            return Result.error(MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


    //######################################################################################################

    @Autowired
    private OrderService orderService;

    @RequestMapping("/getOrderAndVisit")
    public Result getOrderAndVisit(String begin, String end) {

        Map<String, Object> map = null;
        try {
            map = orderService.getOrderAndVisit(begin, end);
        } catch (Exception e) {
            e.printStackTrace();
            return Result.error(MessageConstant.GET_ORDER_COUNT_FAIL);
        }
        return Result.success(map, MessageConstant.GET_ORDER_COUNT_SUCCESS);
    }

    @GetMapping("/getMemberReport")
    public Result getMemberReport() {

        Map data = memberService.getMemberReport();
        return Result.success(data, "成功");

    }

    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
//        memberService.getSetmealReport;
        Map<String, Object> setmealReport = reportService.getSetmealReport();
        return Result.success(setmealReport, "获取套餐统计数据成功");

    }
}
